/* ====================================
   CSS Variables
   ==================================== */
:root {
    --color-primary: #1e3a4f;
    --color-secondary: #6eb5d1;
    --color-accent: #f39c5a;
    --color-white: #ffffff;
    --color-text: #e8f1f5;
    --color-text-muted: rgba(232, 241, 245, 0.7);
    
    --aurora-blue: rgba(110, 181, 209, 0.6);
    --aurora-teal: rgba(147, 224, 218, 0.5);
    --aurora-mint: rgba(79, 193, 193, 0.4);
    
    --section-padding: 50px;
    --container-width: 1200px;
}

/* ====================================
   Reset & Base
   ==================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: #0a1520;
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* ====================================
   Aurora Background
   ==================================== */
.aurora-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    background: linear-gradient(180deg, #0a1520 0%, #1a3a52 30%, #0f2536 60%, #0a1520 100%);
}

.aurora-layer {
    position: absolute;
    width: 200%;
    height: 200%;
    opacity: 0.8;
    mix-blend-mode: screen;
    filter: blur(60px);
}

.aurora-1 {
    background: radial-gradient(ellipse at 20% 20%, rgba(110, 181, 209, 0.6) 0%, rgba(79, 193, 193, 0.4) 30%, transparent 70%);
    animation: aurora-drift-1 20s ease-in-out infinite;
}

.aurora-2 {
    background: radial-gradient(ellipse at 80% 40%, rgba(147, 224, 218, 0.5) 0%, rgba(110, 181, 209, 0.3) 30%, transparent 70%);
    animation: aurora-drift-2 25s ease-in-out infinite;
}

.aurora-3 {
    background: radial-gradient(ellipse at 50% 80%, rgba(79, 193, 193, 0.4) 0%, rgba(110, 181, 209, 0.25) 30%, transparent 70%);
    animation: aurora-drift-3 30s ease-in-out infinite;
}

@keyframes aurora-drift-1 {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(10%, 10%) rotate(5deg); }
    50% { transform: translate(5%, 20%) rotate(-3deg); }
    75% { transform: translate(-5%, 10%) rotate(3deg); }
}

@keyframes aurora-drift-2 {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(-10%, 15%) rotate(-5deg); }
    66% { transform: translate(-5%, 5%) rotate(5deg); }
}

@keyframes aurora-drift-3 {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(15%, -10%) rotate(3deg); }
}

/* ====================================
   Navigation
   ==================================== */
.main-nav {
    position: relative;
    width: 100%;
    background: transparent;
    backdrop-filter: blur(20px);
    z-index: 1000;
}

.nav-content {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 25px 0;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 40px;
    align-items: center;
}

.nav-links a {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a:not(.cta-button):hover,
.nav-links a:not(.cta-button).active {
    color: var(--color-secondary);
}

.nav-links a:not(.cta-button).active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--color-accent);
}

.cta-button {
    background: var(--color-accent);
    color: var(--color-white);
    padding: 12px 28px;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.cta-button:hover {
    background: #e08a45;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(243, 156, 90, 0.3);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: 5px;
    padding: 10px;
    z-index: 10000;
    position: relative;
}

.mobile-menu-toggle span {
    width: 30px;
    height: 3px;
    background: var(--color-white);
    border-radius: 2px;
    display: block;
}

/* ====================================
   Hero Section
   ==================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 20px;
    position: relative;
}

.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-logo {
    margin-bottom: 30px;
    animation: fadeInUp 1s ease-out;
}

.hero-logo img {
    height: 200px;
    width: auto;
}

.hero-title {
    font-size: clamp(48px, 8vw, 88px);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.title-line {
    display: block;
}

.title-line.accent {
    background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(18px, 2.5vw, 22px);
    color: var(--color-text-muted);
    max-width: 700px;
    margin: 0 auto 40px;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.hero-cta {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 0.6s both;
}

/* ====================================
   Buttons
   ==================================== */
.btn {
    display: inline-block;
    padding: 16px 36px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 16px;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-primary {
    background: var(--color-accent);
    color: var(--color-white);
}

.btn-primary:hover {
    background: #e08a45;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(243, 156, 90, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--color-secondary);
    border: 2px solid var(--color-secondary);
}

.btn-secondary:hover {
    background: rgba(110, 181, 209, 0.1);
    border-color: var(--color-accent);
    color: var(--color-accent);
}

/* ====================================
   Section Styling - Kleinere spacing
   ==================================== */
section {
    padding: var(--section-padding) 0;
}

.section-title {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 700;
    text-align: center;
    margin-bottom: 30px;
    background: linear-gradient(135deg, var(--color-white), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ====================================
   Services Grid
   ==================================== */
.services-preview {
    padding: var(--section-padding) 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    background: rgba(30, 58, 79, 0.4);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(110, 181, 209, 0.2);
    border-radius: 16px;
    padding: 32px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.service-card:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--color-secondary), var(--color-accent));
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: rgba(110, 181, 209, 0.5);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.service-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.service-icon svg {
    width: 32px;
    height: 32px;
    color: var(--color-white);
}

.service-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--color-white);
}

.service-card p {
    color: var(--color-text-muted);
    margin-bottom: 20px;
    font-size: 15px;
    line-height: 1.6;
}

.service-link {
    color: var(--color-accent);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: gap 0.3s ease;
}

.service-link:hover {
    gap: 12px;
}

.service-card-highlight {
    background: linear-gradient(135deg, rgba(243, 156, 90, 0.15), rgba(110, 181, 209, 0.15));
    border-color: rgba(243, 156, 90, 0.4);
    position: relative;
    overflow: hidden;
}

.service-card-highlight .service-icon {
    background: linear-gradient(135deg, var(--color-accent), var(--color-secondary));
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* ====================================
   Reviews Section - Spreekwolkjes
   ==================================== */
.reviews-section {
    padding: var(--section-padding) 0;
    background: rgba(15, 30, 41, 0.3);
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.review-card {
    background: rgba(30, 58, 79, 0.5);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(110, 181, 209, 0.2);
    border-radius: 16px;
    padding: 28px;
    position: relative;
    transition: all 0.3s ease;
}

.review-card:before {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 40px;
    width: 0;
    height: 0;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-top: 10px solid rgba(30, 58, 79, 0.5);
}

.review-card:hover {
    transform: translateY(-4px);
    border-color: rgba(110, 181, 209, 0.4);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.2);
}

.review-quote {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.review-quote svg {
    width: 20px;
    height: 20px;
    color: var(--color-white);
}

.review-text {
    color: var(--color-text);
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 20px;
    font-style: italic;
}

.review-author {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.review-author strong {
    color: var(--color-white);
    font-weight: 600;
    font-size: 16px;
}

.review-author span {
    color: var(--color-text-muted);
    font-size: 14px;
}

/* ====================================
   USP Section
   ==================================== */
.usp-section {
    padding: var(--section-padding) 0;
}

.usp-content h2 {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 700;
    text-align: center;
    margin-bottom: 30px;
    background: linear-gradient(135deg, var(--color-white), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.usp-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.usp-item {
    text-align: center;
    padding: 32px;
    background: rgba(30, 58, 79, 0.3);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(110, 181, 209, 0.15);
    border-radius: 16px;
    transition: all 0.3s ease;
}

.usp-item:hover {
    transform: translateY(-4px);
    border-color: rgba(110, 181, 209, 0.3);
}

.usp-number {
    display: inline-block;
    font-size: 48px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
    font-family: 'Space Mono', monospace;
}

.usp-item h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--color-white);
}

.usp-item p {
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* ====================================
   CTA Section
   ==================================== */
.cta-section {
    padding: var(--section-padding) 0;
    text-align: center;
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
    padding: 60px 40px;
    background: rgba(30, 58, 79, 0.4);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(110, 181, 209, 0.2);
    border-radius: 20px;
}

.cta-content h2 {
    font-size: clamp(32px, 5vw, 42px);
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--color-white);
}

.cta-content p {
    font-size: 18px;
    color: var(--color-text-muted);
    margin-bottom: 32px;
}

/* ====================================
   Footer
   ==================================== */
.main-footer {
    background: rgba(15, 30, 41, 0.8);
    border-top: 1px solid rgba(110, 181, 209, 0.1);
    padding: 40px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 30px;
}

.footer-logo {
    height: 60px;
    width: auto;
    margin-bottom: 16px;
}

.footer-column h4 {
    color: var(--color-white);
    font-weight: 600;
    margin-bottom: 16px;
    font-size: 18px;
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: 10px;
}

.footer-column ul li a {
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-column ul li a:hover {
    color: var(--color-secondary);
}

.footer-column p {
    color: var(--color-text-muted);
    font-size: 15px;
    line-height: 1.6;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(110, 181, 209, 0.1);
    color: rgba(255, 255, 255, 0.5);
}

/* ====================================
   Animations
   ==================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ====================================
   Responsive Design
   ==================================== */
@media (max-width: 1024px) {
    .services-grid,
    .usp-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 40px;
    }

    .mobile-menu-toggle {
        display: flex !important;
    }

    .nav-links {
        display: none !important;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: rgba(15, 30, 41, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        padding: 40px;
        gap: 40px;
        z-index: 9999;
        list-style: none;
    }

    .nav-links.active {
        display: flex !important;
    }

    .nav-links li {
        list-style: none;
    }

    .nav-links a {
        font-size: 24px;
        color: var(--color-white);
        text-decoration: none;
    }

    .hero-logo img {
        height: 120px;
    }

    .hero {
        padding-top: 20px;
    }
    
    .services-grid,
    .reviews-grid,
    .usp-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    .cta-content {
        padding: 40px 24px;
    }
}

@media (max-width: 480px) {
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
}
